Information Bus: Description and Operation

COMMUNICATIONS NETWORK

Module communications network components:
- powertrain control module (PCM) module
- vehicle security module (late build)
- tire pressure monitoring system module
- driver seat module (DSM)
- 4-wheel anti-lock brake (4WABS)/ IVD control module (if equipped)
- dual electronic automatic temperature control (DEATC) module
- generic electronic module (GEM) (early build)
- central security module (early build)
- 4-wheel drive (4WD) control module
- instrument cluster
- restraint control module (RCM)

The vehicle has three module communication networks:
- the standard corporate protocol (SCP) communications network
- the international standards organization (ISO) 9141 communications network
- the UART based protocal (UBP) communications network